HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethyl Acetate → HCID 19079571, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethyl Acetate | HCID 8857 | — |
| Reactant | Sodium hydride | HCID 24758 | — |
| Reactant | 2-Bromo-1,1-dimethoxyethane | HCID 81672 | — |
| Reactant | HCID 14579217 | HCID 14579217 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Solvent | 1,4-Dioxane | HCID 31275 | — |
| Product | HCID 19079571 | HCID 19079571 | — |
Reaction Steps
To a stirred slurry of sodium hydride (0.11 g of 60% in oil, 2.7 mmol) in p-dioxane (10 mL) was added methyl 5-hydroxybenzofuran-2-carboxylic acid (0.5 g, 2.6 mmol) and the resulting green slurry was stirred at room temperature for 15 min. To this slurry was added a solution of bromoacetaldehyde dimethyl acetal (0.5 g, 3.0 mmol) in dimethylformamide (DMF) (10 mL) and the resulting solution was heated at reflux for 15 hours. The reaction mixture was poured into ethyl acetate, washed with water, brine, the organic phased dried (Na2SO4) and concentrated in vacuo. The resulting oil was flash chromatographed on silica gel (25% ethyl acetate:hexanes) to afford the title compound as a colorless solid, (0.16 g; m.p. 74-74° C.).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05767133 |
| Source dataset | uspto-grants-1998_06 |
| ORD ID | ord-a9136515c824452b88ea638ce53bcf8a |
| Source note | uspto-grants-1998_06 |